Dividends are one of the easiest parts of investing to under-count. They arrive in small amounts across the year, some are taxed before they reach you, and the ones from shares you have since sold quietly drop off your radar. Add it up wrong and your income looks smaller, or larger, than it really is.
Dividend tracking is harder than it looks
To get it right you have to line up the ex-date of every payment, adjust for any share splits along the way, and remember the holdings you have already closed, because you still earned those dividends while you held them. In a spreadsheet, all of that drifts out of date the moment you stop maintaining it.
Gross is not what you keep
Most dividends have withholding tax taken out before the money reaches you. On foreign holdings that is often 15 or 30 percent. So the number your broker or an app shows as the gross dividend is not what landed in your account. For working out your real income, the figure that counts is the net one, after that tax.
Foreign dividends and withholding
A US stock paying someone who lives outside the US, a holding in the UK or the EU, a fund domiciled somewhere else again: each can carry a different withholding rate. If you hold across several markets, the only way to get an honest total is to apply the right rate to each holding rather than one blanket number.
What "automatic" should mean
Automatic tracking should do the tedious parts for you:
- Pick up each dividend as it is paid, without you entering anything.
- Keep the history for holdings you have already sold, since that income was still yours.
- Apply your withholding rate so the figure you see is the net one, not the gross.
How StockFly does it
StockFly syncs dividends for every ticker you have ever traded, not just what you hold today, and shows them net of a withholding rate you can set per holding. That net income is folded straight into your real return, so your performance already counts the dividends you actually kept.
This is general information, not tax advice. Your actual withholding depends on where you live and the tax treaty in force.